Betty Lynn Betty Lynn, 1950s. (Photo by Film Favorites/Getty Images) (Film Favorites/Getty Images)
Betty Lynn LOS ANGELES - FEBRUARY 25: Schlitz Playhouse of Stars, a CBS television anthology series. Episode, Fast Break. Originally broadcast February 25, 1955. Los Angeles, CA. Pictured from left is Jackie Cooper (as Bill Harlow), Betty Lynn (as Lois Harlow). (Photo by CBS via Getty Images) (CBS Photo Archive/CBS via Getty Images)
Betty Lynn RETURN TO MAYBERRY -- Pictured: (l-r) Betty Lynn as Thelma Lou, Andy Griffith as Andy Taylor, Don Knotts as Barney Fife -- (Photo by: Frank Carrroll/NBCU Photo Bank/NBCUniversal via Getty Images via Getty Images) (NBC/NBCU Photo Bank/NBCUniversal via)
Betty Lynn Betty Lynn, Rudy Vallee, Maureen O'Hara, and Fred MacMurray grouped around unidentified man in a scene from the film 'Father Was A Fullback', 1949. (Photo by 20th Century-Fox/Getty Images) (Archive Photos/Getty Images)
Betty Lynn LOS ANGELES - FEBRUARY 25: Schlitz Playhouse of Stars, a CBS television anthology series. Episode, Fast Break. Originally broadcast February 25, 1955. Los Angeles, CA. Pictured is Betty Lynn (as Lois Harlow). (Photo by CBS via Getty Images) (CBS Photo Archive/CBS via Getty Images)
Betty Lynn RETURN TO MAYBERRY -- Pictured: (l-r) Don Knotts as Barney Fife, Betty Lynn as Thelma Lou -- (Photo by: Frank Carrroll/NBCU Photo Bank/NBCUniversal via Getty Images via Getty Images) (NBC/NBCU Photo Bank/NBCUniversal via)
Betty Lynn A scene from the 1948 film June Bride. Linda Gilman played by Bette Davis (right) talks with a man, while Carey Jackson (Robert Montgomery) and Barbara Brinker (Betty Lynn) look on. (Photo by �� John Springer Collection/CORBIS/Corbis via Getty Images) (John Springer Collection/Corbis via Getty Images)
Betty Lynn In this July 17, 2015, photo, actress Betty Lynn waves to the line of fans waiting for her autograph at the Andy Griffith Museum in Mount Airy, N.C. Lynn has been living in Mount Airy, a former textile town nestled in the foothills of the Blue Ridge Mountains since 2007. (AP Photo/Emily Masters) (Emily Masters/AP)
Betty Lynn A fan looks at a young glamour shot of actress Betty Lynn at the Andy Griffith Museum in Mount Airy, N.C, on Friday, July 17, 2015. Every third Friday of the month, the 88-year-old star, who played Thelma Lou on Griffith's iconic television show, greets visitors to the museum by signing autographs, taking photos and blowing kisses. (AP Photo/Emily Masters) (Emily Masters/AP)
Betty Lynn Actress Betty Lynn signs a photo of her character, Thelma Lou, kissing "Deputy Barney Fife" played by actor Don Knotts, during her autograph event at the Andy Griffith Museum in Mount Airy, N.C., on Friday, July 17, 2015. Every third Friday of the month, the 88-year-old star greets visitors to the museum by signing autographs, taking photos and blowing kisses. (AP Photo/Emily Masters) (Emily Masters/AP)
Betty Lynn FILE - In a Sept. 6, 2007 file photo, Betty Lynn, who played Thelma Lou on "The Andy Griffith Show," pauses at a statue of Andy and Opie Taylor in Mount Airy, N.C. Lynn had her wallet stolen at a shopping center in Mount Airy, the birthplace of Andy Griffith, after moving to the area to avoid big city crime. The Mount Airy News reports that police arrested Shirley Walter Guynn, of Cana, Va. in the robbery. (AP Photo/Gerry Broome, File) (Gerry Broome/ASSOCIATED PRESS)